why a data warehouse?
DESCRIPTION
WHY A DATA WAREHOUSE?. WHAT IS THE CURRENT STATE?. Data Stored in Thousands of Tables PS Query is Difficult to Use in a Multi-Table Environment Takes a Long Time to Write Reports Decisions Often Made Based on Incomplete or Inaccurate Information - PowerPoint PPT PresentationTRANSCRIPT
WHY A DATA WAREHOUSE?
WHAT IS THE CURRENT STATE?
• Data Stored in Thousands of Tables• PS Query is Difficult to Use in a Multi-Table
Environment• Takes a Long Time to Write Reports• Decisions Often Made Based on Incomplete or
Inaccurate Information• Too Much Time Spent Generating the Data and
Not Enough Time Spent Analyzing the Data• Data Locked up in Silos – Reporting Across
Functions Not Possible• Dashboards and Key Performance Indicators
Not Available
HOW DOES A DATA WAREHOUSE HELP?
• Gets the Data Out of Jail• Data is Understandable, Meaningfully Labeled
and Retrievable• Pre-defined Relationships Simplify Reporting• Querying and Reporting Easier and Faster• Cross-Functional Reporting Possible• Provides for Historical Comparisons and Point-
in-Time Reporting• Provides the right data, at the Right Time, to the
Right People• Improves Decision Making